xref: /freebsd/sys/dev/qat/qat_api/include/cpa_dev.h (revision e0c4386e)
1 /****************************************************************************
2  *
3  *   BSD LICENSE
4  *
5  *   Copyright(c) 2007-2023 Intel Corporation. All rights reserved.
6  *   All rights reserved.
7  *
8  *   Redistribution and use in source and binary forms, with or without
9  *   modification, are permitted provided that the following conditions
10  *   are met:
11  *
12  *     * Redistributions of source code must retain the above copyright
13  *       notice, this list of conditions and the following disclaimer.
14  *     * Redistributions in binary form must reproduce the above copyright
15  *       notice, this list of conditions and the following disclaimer in
16  *       the documentation and/or other materials provided with the
17  *       distribution.
18  *     * Neither the name of Intel Corporation nor the names of its
19  *       contributors may be used to endorse or promote products derived
20  *       from this software without specific prior written permission.
21  *
22  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  *
35  ***************************************************************************/
36 
37 /*
38  *****************************************************************************
39  * Doxygen group definitions
40  ****************************************************************************/
41 
42 /**
43  *****************************************************************************
44  * @file cpa_dev.h
45  *
46  * @defgroup cpaDev Device API
47  *
48  * @ingroup cpa
49  *
50  * @description
51  *      These functions specify the API for device level operation.
52  *
53  * @remarks
54  *
55  *
56  *****************************************************************************/
57 
58 #ifndef CPA_DEV_H
59 #define CPA_DEV_H
60 
61 #ifdef __cplusplus
62 extern"C" {
63 #endif
64 
65 
66 #ifndef CPA_H
67 #include "cpa.h"
68 #endif
69 
70 
71  /*****************************************************************************
72  * @ingroup cpaDev
73  *      Returns device information
74  *
75  * @description
76  *      This data structure contains the device information. The device
77  *      information are available to both Physical and Virtual Functions.
78  *      Depending on the resource partitioning configuration, the services
79  *      available may changes. This configuration will impact the size of the
80  *      Security Association Database (SADB). Other properties such device SKU
81  *      and device ID are also reported.
82  *
83  *****************************************************************************/
84 typedef struct _CpaDeviceInfo {
85 	Cpa32U sku;
86 	/**< Identifies the SKU of the device. */
87 	Cpa16U bdf;
88 	/**< Identifies the Bus Device Function of the device.
89 	 *   Format is reported as follow:
90 	 *   - bits<2:0> represent the function number.
91 	 *   - bits<7:3> represent the device
92 	 *   - bits<15:8> represent the bus
93 	 */
94 	Cpa32U deviceId;
95 	/**< Returns the device ID. */
96 	Cpa32U numaNode;
97 	/**< Return the local NUMA node mapped to the device. */
98 	CpaBoolean isVf;
99 	/**< Return whether the device is currently used in a virtual function
100 	 *   or not. */
101 	CpaBoolean dcEnabled;
102     /**< Compression service enabled */
103 	CpaBoolean cySymEnabled;
104     /**< Symetric crypto service enabled */
105 	CpaBoolean cyAsymEnabled;
106     /**< Asymetric crypto service enabled */
107 	CpaBoolean inlineEnabled;
108     /**< Inline service enabled */
109 	Cpa32U deviceMemorySizeAvailable;
110 	/**< Return the size of the device memory available. This device memory
111 	 *   section could be used for the intermediate buffers in the
112 	 *   compression service.
113 	 */
114 } CpaDeviceInfo;
115 
116 
117 /*****************************************************************************
118 * @ingroup cpaDev
119 *      Returns number devices.
120 *
121 * @description
122 *      This API returns the number of devices available to the application.
123 *      If used on the host, it will return the number of physical devices.
124 *      If used on the guest, it will return the number of function mapped
125 *      to the virtual machine.
126 *
127 *****************************************************************************/
128 CpaStatus cpaGetNumDevices (Cpa16U *numDevices);
129 
130 /*****************************************************************************
131 * @ingroup cpaDev
132 *      Returns device information for a given device index.
133 *
134 * @description
135 *      Returns device information for a given device index. This API must
136 *      be used with cpaGetNumDevices().
137 *****************************************************************************/
138 CpaStatus cpaGetDeviceInfo (Cpa16U device, CpaDeviceInfo *deviceInfo);
139 
140 #ifdef __cplusplus
141 } /* close the extern "C" { */
142 #endif
143 
144 #endif /* CPA_DEV_H */
145